Back in the day just prior to and for four years after the Great War my grandfather played professional football in the UK.
Going through some old papers again today I came across a rare item; back then each player for all teams in the UK was given a pocket size team member booklet outlining his team's player roster, their positions, the team managers, and schedule for the upcoming season. He played for both Millwall and later Bexleyheath Town FC.
This is his BHFC membership book for the 1923-4 season -